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I have a 10 Rib pulley set up I’m going to be installing on my S Trim. I’m looking for 10 pounds. I have the crank pulley and charger pulley in 10 rib. I’m trying to figure out how I can determine how much boost the setup is. And what measurements should be.
 

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How much boost a S/C makes is dependent on how efficient the engine is. I am sure Votech has a baseline that "X" dia crank pulley with "Y" dia s/c pulley will give approx "Z" psi of boost. You use that as a starting point and then adjust from there depending on how efficient the engine is. The more efficient the engine is the lower the boost pressure for any given pulley combo.
 
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